revert "Hibernation: Use temporary page tables for kernel text mapping on x86_64"

revert "Hibernation: Use temporary page tables for kernel text mapping on x86_64"

Revert commit efa4d2fb047b25a6be67fe92178a2a78da6b3f6a ("Hibernation:
Use temporary page tables for kernel text mapping on x86_64") because it
causes my t61p to reboot right at the end of resume-from-disk.  For
reasons unknown at this time.

Cc: Pavel Machek <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: Ingo Molnar <[email protected]>
Acked-by: "Rafael J. Wysocki" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>